Global Patent Index - EP 3986589 A1

EP 3986589 A1 20220427 - A SINGLE-PHASE MICROEMULSION ADDITIVE FOR SEPARATION OF OIL AND WATER

Title (en)

A SINGLE-PHASE MICROEMULSION ADDITIVE FOR SEPARATION OF OIL AND WATER

Title (de)

EINPHASIGES MIKROEMULSIONSADDITIV ZUR TRENNUNG VON ÖL UND WASSER

Title (fr)

ADDITIF DE MICROÉMULSION À PHASE UNIQUE POUR LA SÉPARATION D'HUILE ET D'EAU

Publication

EP 3986589 A1 20220427 (EN)

Application

EP 20826311 A 20200615

Priority

  • US 201916447657 A 20190620
  • US 2020037721 W 20200615

Abstract (en)

[origin: US2020398190A1] A single-phase microemulsion additive may be introduced to a stream containing mixtures of or emulsions of oil and water in an effective amount to separate oil from the water in the stream and/or separating water from the oil in the stream. The single-phase microemulsion additive is formed by combining at least one demulsifier, at least one water clarifier, at least one surfactant, and optionally at least one solvent.

IPC 8 full level

B01D 17/04 (2006.01)

CPC (source: EP US)

B01D 17/047 (2013.01 - EP US); C02F 1/56 (2013.01 - US); C02F 1/68 (2013.01 - US); C02F 1/682 (2013.01 - EP); C10G 33/04 (2013.01 - EP US); C02F 1/56 (2013.01 - EP); C02F 2101/32 (2013.01 - US); C02F 2101/325 (2013.01 - EP); C02F 2103/365 (2013.01 - EP US); C02F 2305/04 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

US 11167222 B2 20211109; US 2020398190 A1 20201224; AU 2020296832 A1 20220224; AU 2020296832 B2 20230112; CA 3159138 A1 20201224; EP 3986589 A1 20220427; EP 3986589 A4 20230308; WO 2020257099 A1 20201224

DOCDB simple family (application)

US 201916447657 A 20190620; AU 2020296832 A 20200615; CA 3159138 A 20200615; EP 20826311 A 20200615; US 2020037721 W 20200615